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Title: Why should we care about the top quark Yukawa coupling?

Journal Article · · Journal of Experimental and Theoretical Physics
 [1];  [2]
  1. Ecole Polytechnique Federale de Lausanne, Lausanne (Switzerland)
  2. European Organization for Nuclear Research (CERN), Geneva (Switzerland); Univ. of Connecticut, Storrs, CT (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)

In the cosmological context, for the Standard Model to be valid up to the scale of inflation, the top quark Yukawa coupling yt should not exceed the critical value ytcrit , coinciding with good precision (about 0.2‰) with the requirement of the stability of the electroweak vacuum. So, the exact measurements of yt may give an insight on the possible existence and the energy scale of new physics above 100 GeV, which is extremely sensitive to yt. In this study, we overview the most recent theoretical computations of and the experimental measurements of ytcrit and the experimental measurements of yt. Within the theoretical and experimental uncertainties in yt, the required scale of new physics varies from 10⁷ GeV to the Planck scale, urging for precise determination of the top quark Yukawa coupling.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC00112704
OSTI ID:
1201355
Report Number(s):
BNL-108105-2015-JA; R&D Project: PO-3
Journal Information:
Journal of Experimental and Theoretical Physics, Vol. 120, Issue 3; ISSN 1063-7761
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 73 works
Citation information provided by
Web of Science

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Cited By (36)

Global flow of the Higgs potential in a Yukawa model journal August 2016
Gravity, scale invariance and the hierarchy problem journal October 2018
Hidden inflaton dark matter journal March 2019
Nonpolynomial Higgs interactions and vacuum stability journal January 2019
Semiclassical description of soliton-antisoliton pair production in particle collisions journal November 2015
High-energy limit of collision-induced false vacuum decay journal June 2015
Scale Invariant Instantons and the Complete Lifetime of the Standard Model text January 2017
Asymptotic safety, the Higgs boson mass, and beyond the standard model physics journal December 2019
Higgs inflation and quantum gravity: an exact renormalisation group approach journal February 2016
Vacuum metastability with black holes journal August 2015
Global flow of the Higgs potential in a Yukawa model text January 2016
Asymptotic freedom in $$\mathbb {Z}_2$$ Z 2 -Yukawa-QCD models journal January 2019
Phase transition and vacuum stability in the classically conformal B-L model text January 2018
The 1-loop effective potential for the Standard Model in curved spacetime journal June 2018
Is the standard model saved asymptotically by conformal symmetry? journal March 2015
Vacuum metastability with black holes text January 2015
On the robustness of the primordial power spectrum in renormalized Higgs inflation text January 2017
Living beyond the edge: Higgs inflation and vacuum metastability journal October 2015
An asymptotically safe guide to quantum gravity and matter preprint January 2018
Asymptotic safety in the conformal hidden sector? journal July 2018
Gravity, Scale Invariance and the Hierarchy Problem text January 2018
The fate of the Higgs vacuum journal June 2016
Phase transition and vacuum stability in the classically conformal B–L model journal July 2019
Is the Standard Model saved asymptotically by conformal symmetry? text January 2014
Scale-invariant instantons and the complete lifetime of the standard model journal March 2018
Z ′, Higgses and heavy neutrinos in U(1)′ models: from the LHC to the GUT scale journal July 2016
Spacetime Curvature and Higgs Stability after Inflation journal December 2015
Z and Higgs Boson Production Associated with a Top Quark Pair as a Probe of the U ( 1 ) B - L Model at e + e - Colliders journal July 2018
Higgs Inflation journal January 2019
Semiclassical description of soliton-antisoliton pair production in particle collisions text January 2015
An Asymptotically Safe Guide to Quantum Gravity and Matter journal January 2019
On the robustness of the primordial power spectrum in renormalized Higgs inflation journal February 2018
Quantum corrections to quartic inflation with a non-minimal coupling: metric vs. Palatini journal March 2018
Light inflaton completing Higgs inflation journal July 2018
Light inflaton completing Higgs inflation text January 2018
The fate of the Higgs vacuum text January 2016

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